in europe and the possible threat in the u.s. >> brown: margaret warner examines china's growing economic and military assertiveness in asia and globally. >> they're breaking diplomatic egg which is three or four years ago they would not have broken. so i think the change is palpable. >> woodruff: we talk to former clinton administration secretary of labor robert reich-- the last in our series of conversations on extending the bush-era tax breaks. >> brown: and jonathan miller of "independent television news" reports from northwest pakistan, where relief-aid is still slow in coming two months after the floods began. >> this is one of the worst affected areas in pakistan, but these people industrial no safe water, no food, no shelter, no medicine. something has gone very wrong. >> woodruff: that's all ahead on tonight's "newshour." major funding for the pbs newshour has been provided by: >> i want to know what the universe... >> looks like. >> feels like. >> from deep space. >> to a microbe. >> i can contribute to the world by pursuing my passion for science. >> it really is the key to the